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Fatal Crash of Twin-Engine Aircraft Near Pieri Airstrip (HK-4274)

Pieri, South SudanTakeoff (climb)

On March 2, 2021, a Let L-410 (registration HK-4274) operated by South Supreme Airlines was involved in an aviation accident near Pieri, South Sudan during takeoff. 10 people were killed. Investigators recorded the probable cause as: Aircraft stall shortly after takeoff. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A twin-engine aircraft crashed shortly after takeoff from Pieri Airstrip while en route to Yuai. The accident resulted in the deaths of all 10 occupants on board.

Incident Overview and Route Details A twin-engine aircraft was operating a short flight from Pieri Airstrip to Yuai, a location situated approximately 22 kilometers to the southwest. The aircraft had originated from Juba and was scheduled to return to Juba after completing the leg to Yuai. At the time of the incident, the aircraft was carrying a total of 10 occupants, consisting of two pilots and eight passengers. ## Accident Sequence and Outcome Shortly after takeoff from Pieri Airstrip, the aircraft experienced a stall. The loss of lift caused the aircraft to crash into an open field. The impact forces were severe enough to totally destroy the aircraft. No fire was reported following the crash. All 10 occupants on board were killed in the accident.

Probable cause

Aircraft stall shortly after takeoff
Loss of control in flight

Related events

Same operator

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